6-7-06 - Fifth Proof
5-6
Troubleshooting
Engine Runs But Misses • Dirt or water in the fuel
system.
• Drain fuel system and
replace with fresh, clean fuel.
• Spark plug lead disconnected • Check to make sure that both
spark plug leads are securely
attached to the spark plug
and that they are not
damaged.
• Poor quality of fuel.
• Drain fuel system and
replace with fresh, clean fuel.
• Faulty spark plug(s).
• Replace spark plugs.
• Loose wires or connections
that intermittently ground the
ignition kill circuit.
• Tighten connections.
• Engine overheated.
• Clean cooling fins and
remove any debris from
around engine.
• Faulty ignition module or
incorrect air gap.
• See engine manual.
• Carburetor adjusted
incorrectly.
• See engine manual.
• SMART-SPARK™
malfunction (applicable
models).
• See engine manual.
Engine Will Not Idle
• Dirt or water in the fuel
system.
• Drain fuel system and
replace with fresh, clean fuel.
• Stale fuel and/or gum in
carburetor.
• Drain fuel system and
replace with fresh, clean fuel.
• See engine manual.
• Faulty spark plugs.
• Replace spark plugs.
• Fuel supply inadequate.
• Fill fuel tanks.
• Open both fuel valves.
• Open vent on fuel tank cap.
• Clean or replace fuel lines.
Problem
Possible Causes
Corrective Action
Summary of Contents for BOXER 427 Operators
Page 2: ...6 7 06 Fifth Proof...
Page 6: ...6 7 06 Fifth Proof iv Mertz Manufacturing LLC P O Box 150 Ponca City OK 74602 Affix Stamp Here...
Page 8: ...6 7 06 Fifth Proof vi...
Page 18: ...6 7 06 Fifth Proof 1 8 Safety Precautions...
Page 31: ...6 7 06 Fifth Proof 3 5 Pre Start Inspection and Operation Figure 3 4 Lubrication Points 2128...
Page 52: ...6 7 06 Fifth Proof 3 26 Pre Start Inspection and Operation...
Page 74: ...6 7 06 Fifth Proof 4 22 Routine Service and Maintenance...
Page 85: ...6 7 06 Fifth Proof...